Courtesy lamps circuit, up level for Chevrolet Silverado 1500 HD (2001-2006)

BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY JUNCTION BLOCK (UNDER LEFT SIDE OF DASH, NEAR LEFT KICK PANEL) CARGO LAMP CARGO LAMP SWITCH CARGO LP SW DOME LP SW DOME LP DFT COURTESY LAMP RELAY CTSY LP FUSE CTSY LP RLY LAMP REQUEST DK BLU WIRE DK BLU/WHT WIRE DOME LAMP DOME LAMP DEFEAT SWITCH DOME LAMP SWITCH FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P COMPART- MENT LAMP I/P JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INADVERT RLY INADVERTENT POWER RELAY LEFT FRONT DOOR COURTESY LAMP LEFT I/P COURTESY LAMP OFF ORG/ WIRE PPL READING LAMPS RIGHT FRONT DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UNDERHOOD LAMP ASSEMBLY WHT WIRE